(8 to 3 line) Encoder

Exp-1 (D)

Exp-9 (4*1)

Gray To Binary

Exp-10

Exp-2 (Full Subtractor)

Exp-11

(2 to 4) line Decoder

3-bit parallel binary adder

Exp-12

Exp-2 (Half Subtractor)

Exp-1 (C)

3-Bit Parallel Binary Adder

Exp-1 (B)

Exp-1 (A)

(4 to 2 line) Encoder

Exp-9 (8*1)

Exp-6

Exp-11

Exp-2 (Full Adder)

Exp-2 (Half Adder)

Exp-4

(3 to 8) line Decoder

Binary to Gray Code

3-Bit Parallel Binary Subtractor

Exp-6 (3*3 Multiplier)